Bug 1580642 - Fix failing test_bootstrap.js. r=mkmelin DONTBUILD

common/test/xpcshell/test_bootstrap.js

@@ -543,15 +543,15 @@ add_task(async function test_8() {
   await checkBootstrappedPref();
 });
 
-/* Disabled test 9 and test 10, see bug 1580642.
 // Test that items detected as removed during startup get removed properly
 add_task(async function test_9() {
   await promiseShutdownManager();
 
   manuallyUninstall(profileDir, ID1);
-  BootstrapMonitor.clear(ID1);
 
   await promiseStartupManager();
+  startupCacheMonitor.check(true);
+  BootstrapMonitor.clear(ID1);
 
   let b1 = await AddonManager.getAddonByID(ID1);
   equal(b1, null);
@@ -652,7 +652,6 @@ add_task(async function test_10() {
   await checkBootstrappedPref();
   startupCacheMonitor.check(false);
 });
-*/
 
 // Tests that uninstalling a disabled add-on still calls the uninstall method
 add_task(async function test_11() {